vim/vimrc.d/statusline.vim

set statusline=%!GetStatus(1)

" augroups
augroup status "{{{
  autocmd!
  autocmd WinNew,WinEnter * setlocal statusline=%!GetStatus(1)
  autocmd WinLeave * setlocal statusline=%!GetStatus(0)
  " autocmd WinNew * setlocal statusline=%!GetStatus(1)
  " autocmd InsertChange * setlocal statusline=%!GetStatus(1)
augroup END
"}}}

" colors
hi clear StatusLine"{{{
hi StatusLine           ctermfg=239 guifg=#555555 ctermbg=232 guibg=NONE gui=NONE
hi StatusLineNC					ctermfg=238 guifg=#444444 ctermbg=232 guibg=NONE term=none cterm=none gui=NONE

hi StatusLineNormal 		        ctermfg=243 guifg=#777777 ctermbg=234 guibg=#1c1c1c term=none cterm=none
hi StatusLineNormalNoText       ctermfg=234 guifg=#1c1c1c ctermbg=234 guibg=#1c1c1c term=none cterm=none
hi StatusLineActive			        ctermfg=255 guifg=#ffffff ctermbg=239 guibg=#4e4e4e term=none cterm=none
hi StatusLineActiveNoText       ctermfg=239 guifg=#4e4e4e ctermbg=239 guibg=#4e4e4e term=none cterm=none
hi StatusLineActiveQuotes	      ctermfg=244 guifg=#888888 ctermbg=239 guibg=#4e4e4e term=none cterm=none

hi StatusLineSeparator          ctermfg=255 guifg=#ffffff ctermbg=232 guibg=NONE
hi StatusLineDir                ctermfg=241 guifg=#666666 ctermbg=234 guibg=#1c1c1c
hi StatusLineDirActive          ctermfg=243 guifg=#777777 ctermbg=237 guibg=#3a3a3a
hi StatusLineFile               ctermfg=250 guifg=#cccccc ctermbg=234 guibg=#1c1c1c
hi StatusLineFileActive         ctermfg=255 guifg=#eeeeee ctermbg=237 guibg=#3a3a3a
hi StatusLineDot                ctermfg=241 guifg=#606060 ctermbg=234 guibg=#1c1c1c
hi StatusLineDotActive          ctermfg=244 guifg=#808080 ctermbg=237 guibg=#3a3a3a
hi StatusLineExt                ctermfg=243 guifg=#777777 ctermbg=234 guibg=#1c1c1c
hi StatusLineExtActive          ctermfg=249 guifg=#bbbbbb ctermbg=239 guibg=#3a3a3a
hi StatusLinePercent            ctermfg=241 guifg=#555555 ctermbg=233 guibg=#111111
hi StatusLinePercentActive      ctermfg=243 guifg=#777777 ctermbg=233 guibg=#111111
" hi StatusLineMod                ctermfg=255 guifg=#ffffff ctermbg=88  guibg=#490000

" TODO get cterm colors same as gui ones for all the following highlights
hi StatusLineDiv		         ctermfg=233 guifg=#111111 ctermbg=233 guibg=#111111 term=none cterm=none
hi StatusLineDivActive	     ctermfg=234 guifg=#1c1c1c ctermbg=234 guibg=#1c1c1c term=none cterm=none
 
hi StatusLineDivMod	          ctermfg=234 guifg=#290000 ctermbg=234 guibg=#290000 term=none cterm=none
hi StatusLineDivModActive		  ctermfg=233 guifg=#450000 ctermbg=233 guibg=#450000 term=none cterm=none
 
hi StatusLineDivInput	        ctermfg=234 guifg=#cccccc ctermbg=234 guibg=#cccccc term=none cterm=none

hi LinterDash				          ctermfg=233 guifg=#222222
hi LinterDashActive					  ctermfg=238 guifg=#333333

hi LinterError                ctermfg=196 guifg=#ff0000 gui=bold
hi LinterErrorInactive        ctermfg=196 guifg=#999999 gui=bold
hi LinterErrorStyle           ctermfg=196 guifg=#aa0000 gui=bold
hi LinterErrorStyleInactive   ctermfg=196 guifg=#858585 gui=bold

hi LinterWarning              ctermfg=88  guifg=#870000 gui=bold
hi LinterWarningInactive      ctermfg=88  guifg=#717171 gui=bold
hi LinterWarningStyle         ctermfg=88  guifg=#660000 gui=bold
hi LinterWarningStyleInactive ctermfg=88  guifg=#585858 gui=bold

hi LinterInfo		      	      ctermfg=52  guifg=#440000
"}}}

" functions

function! GetStatus(isactive) "{{{
  " let l:linter = ale#statusline#Count(bufnr(''))
  let l:divider = '- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - >'
  let l:separator = '%#StatusLineSeparator# '
  let l:normal = '%#StatusLineNormal#'
  let l:active = '%#StatusLineActive#'
  let l:bracket_open = '%#CRNoiseDark#('
  let l:bracket_close = '%#CRNoiseDark#) '
  let l:statusline = ''

  " file percentage
  let l:statusline .= '%#FoldColumn#┼  ' "{{{
  if a:isactive
    let l:statusline .= '%#StatusLinePercentActive#'
  else
    let l:statusline .= '%#StatusLinePercent#'
  endif
  let l:statusline .= '%P %* '
"}}}

  " non-empty buftype (help, quickfix, etc)
  if a:isactive "{{{
    let l:statusline .= l:active . "%{&buftype == '' ? '' : ' '}%q%h%w%#StatusLineActiveNoText#"
  else
    let l:statusline .= l:normal . "%{&buftype == '' ? '' : ' '}%q%h%w%#StatusLineNormalNoText#"
  endif
  let l:statusline .= "%{&buftype == '' ? '' : '                                                                                                                                                                                                                                                '}%s"
"}}}

  " right/left divider
  let l:statusline.=l:separator "{{{
  " modified version 
  let l:color = 'StatusLineDivMod' . (a:isactive?'Active':'')
  let l:statusline .= GetStatusFrag("&modified && mode() != 'i'", l:color, '%<', l:divider)
   
  " unmodified version
  let l:color = 'StatusLineDiv' . (a:isactive?'Active':'')
  let l:statusline .= GetStatusFrag("!&modified && mode() != 'i'", l:color, '%<', l:divider)
   
  " input mode version
  if a:isactive
    let l:statusline .= GetStatusFrag("mode() == 'i'", 'StatusLineDivInput', '%<', l:divider)
  endif

  let l:statusline.= l:separator . '%*%='

  if !a:isactive
    let l:statusline .= ' '
  endif
 "}}}

  " current register
  if a:isactive "{{{
    let l:statusline.=l:separator . l:active
    let l:statusline.=' %#StatusLineActiveQuotes#"' . l:active . '%{v:register}%#StatusLineActiveQuotes#" '
  endif
"}}}

  " session status
  if a:isactive "{{{
    let l:statusline.=l:separator . l:active
    let l:statusline.=" %{ObsessionStatus(fnamemodify(v:this_session,':t'),'---')} %*"
    let l:statusline.=l:separator . l:active
  endif
"}}}

  " file info
  if a:isactive == 1 "{{{
    let l:statusline.=l:active
    let l:statusline.=" %{strlen(&ft)?&ft:'none'} "
    " let l:statusline.=l:separator . l:active
    " let l:statusline.=' %{strlen(&fenc)?&fenc:&enc} '
    " let l:statusline.=l:separator . l:active
    " let l:statusline.=' %{&fileformat} '
    " let l:statusline.=l:separator . l:active
    " let l:statusline.=' %{&spelllang} '
    let l:statusline.=l:separator
  endif
"}}}

  " path/filename.extension
  if a:isactive "{{{
    let l:statusline.='%#StatusLineDirActive# '
    let l:statusline.="%{expand('%:p:h:t')}/"
    let l:statusline.='%#StatusLineFileActive#'

    let l:statusline.="%{expand('%:t:r')}"

    let l:statusline.='%#StatusLineDotActive#'
    let l:statusline.="%{strlen(expand('%:e'))?'.':''}"
    let l:statusline.='%#StatusLineExtActive#'
    let l:statusline.="%{strlen(expand('%:e'))?expand('%:e'):expand('%:e')} "
    let l:statusline .= '%#InterfaceSignWarning# %R '
  else
    let l:statusline.='%#StatusLineDir# '
    let l:statusline.="%{expand('%:p:h')}/"
    let l:statusline.='%#StatusLineFile#'

    let l:statusline.="%{expand('%:t:r')}"

    let l:statusline.='%#StatusLineDot#'
    let l:statusline.="%{strlen(expand('%:e'))?'.':''}"
    let l:statusline.='%#StatusLineExt#'
    let l:statusline.="%{strlen(expand('%:e'))?expand('%:e'):expand('%:e')} "
    let l:statusline .= '%#LinterWarningInactive# %R '
  endif
  let l:statusline.='%*'
  "}}}

  " linter status "
  if a:isactive "{{{
    " errors
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('error') == 0?'-':'')}"
    let l:statusline .= "%#LinterError#%{(GetLinterStatus('error') == 0?'':GetLinterStatus('error'))}"
    " style errors
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('style_error') == 0?'-':'')}"
    let l:statusline .= "%#LinterErrorStyle#%{(GetLinterStatus('style_error') == 0?'':GetLinterStatus('style_error'))} "

    " warnings
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarning#%{(GetLinterStatus('warning') == 0?'':GetLinterStatus('warning'))}"
    " style warnings
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('style_warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarningStyle#%{(GetLinterStatus('style_warning') == 0?'':GetLinterStatus('style_warning'))} "

    " info
    let l:statusline .= "%#LinterDashActive#%{(GetLinterStatus('info') == 0?'-':'')}"
    let l:statusline .= "%#LinterInfo#%{(GetLinterStatus('info') == 0?'':GetLinterStatus('info'))}"
  else
    " errors
    let l:statusline .= "%#LinterDash#%{(GetLinterStatus('error') == 0?'-':'')}"
    let l:statusline .= "%#LinterErrorInactive#%{(GetLinterStatus('error') == 0?'':GetLinterStatus('error'))}"
    " style errors
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%{(GetLinterStatus('style_error') == 0?'-':'')}"
    let l:statusline .= "%#LinterErrorStyleInactive#%{(GetLinterStatus('style_error') == 0?'':GetLinterStatus('style_error'))} "

    " warnings
    let l:statusline .= "%#LinterDash#%{(GetLinterStatus('warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarningInactive#%{(GetLinterStatus('warning') == 0?'':GetLinterStatus('warning'))}"
    " style warnings
    let l:statusline .= '%#LinterDash#|'
    let l:statusline .= "%{(GetLinterStatus('style_warning') == 0?'-':'')}"
    let l:statusline .= "%#LinterWarningStyleInactive#%{(GetLinterStatus('style_warning') == 0?'':GetLinterStatus('style_warning'))} "

    " info
    let l:statusline .= "%#LinterDash#%{GetLinterStatus('info') == 0 ? '-' : GetLinterStatus('info')}"
  endif
"}}}

  return l:statusline

endfunction 
"}}}
function! DoInsertEnter()

  set cursorline"{{{
  hi LineNr ctermfg=235 guifg=#262626
  hi CursorLineNr ctermfg=250 guifg=#bcbcbc
endfunction
"}}}

function! DoInsertLeave()
  set nocursorline"{{{
  hi LineNr ctermfg=237 guifg=#3a3a3a
  hi CursorLineNr ctermfg=243 guifg=#767676
endfunction
"}}}


" augroups

augroup statuscursorlines
  au!
  au InsertEnter * call DoInsertEnter()
  au InsertLeave * call DoInsertLeave()
augroup END

" vim: foldmethod=marker